- Fix playback problem on SiS7018.- mute the volume for interrupt channel.- add some improvements for device initialization.- Fix recording problem on SiS7018.From NetBSD via Gabriel Gonzalez.
Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 Sound Driver; from SOMEYA Yoshihiko and KUROSAWA Takahiro; tested by Matt Behrens <matt@zigg.com>